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參數資料
| 型號： | TL441AMJB |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬運算功能 |
| 英文描述： | LOG OR ANTILOG AMPLIFIER, 40 MHz BAND WIDTH, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁數： | 4/15頁 |
| 文件大小： | 258K |
| 代理商： | TL441AMJB |
TL441AM
LOGARITHMIC AMPLIFIER
SLFS038 – JUNE 1976 – REVISED FEBRUARY 1989
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Z
A1
A2
Y
B1
B2
TL441
A1
A2
Y
1/2
TL441
Input
A
Input
B
see
Note A
OUTPUT W
(see Note B)
RR
R
RR
R
+
–
+
–
+
–
+
–
+
–
NOTES: A. Connections shown are for multiplication. For division, Z and Z connections are reversed.
B. Output W may need to be amplified to give actual product or quotient of A and B.
C. R designates resistors of equal value, typically 2 k
to 10 k.
Multiplication: W = A
B log W = log A + log B, or W = a(logaA + logaB)
Division: W = A/B
log W = log A – log B, or W = a(logaA + logaB)
Figure 16. Multiplication or Division
Input
A
A1
A2
Y
1/2
TL441
Z
B1
B2
Output
W
1/2
TL441
RR
R
nR
R
nR
R
–
+
–
+
–
+
NOTE: R designates resistors of equal value, typically 2 k
to 10 k. The power to which the input variable is raised is fixed by setting nR.
Output W may need to be amplified to give the correct value.
Exponential: W = An
log W = n log A, or W = a(n loga A)
Figure 17. Raising a Variable to a Fixed Power
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TL441CN | 功能描述:對數放大器 Logarithmic RoHS:否 制造商:Texas Instruments 通道數量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| TL441CN | 制造商:Texas Instruments 功能描述:IC OP-AMP LOGARITHMIC SGL 16DIP |
| TL441CNE4 | 功能描述:對數放大器 LOGARITHMIC AMP RoHS:否 制造商:Texas Instruments 通道數量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| TL441CNS | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| TL441CNSR | 功能描述:對數放大器 LOGARITHMIC AMP RoHS:否 制造商:Texas Instruments 通道數量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
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